linux-kernel - Re: [PATCH 08/11] dt-bindings: display: vop2: Add rk3588 support

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Message-ID: <3906a288-cafa-4c60-9fb3-4d4c75487340@rock-chips.com>
Date:   Wed, 15 Nov 2023 10:45:25 +0800
From:   Andy Yan <andy.yan@...k-chips.com>
To:     Heiko Stübner <heiko@...ech.de>,
        Andy Yan <andyshrk@....com>
Cc:     hjc@...k-chips.com, dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, sebastian.reichel@...labora.com,
        kever.yang@...k-chips.com, chris.obbard@...labora.com,
        s.hauer@...gutronix.de
Subject: Re: [PATCH 08/11] dt-bindings: display: vop2: Add rk3588 support


On 11/15/23 05:54, Heiko Stübner wrote:
> Am Dienstag, 14. November 2023, 12:28:41 CET schrieb Andy Yan:
>> From: Andy Yan <andy.yan@...k-chips.com>
>>
>> The vop2 on rk3588 is similar to which on rk356x
>> but with 4 video outputs and need to reference
>> more grf modules.
>>
>> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
>> ---
>>
>>   .../display/rockchip/rockchip-vop2.yaml       | 25 +++++++++++++++++++
>>   1 file changed, 25 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
>> index b60b90472d42..c333c651da1a 100644
>> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
>> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
>> @@ -20,6 +20,7 @@ properties:
>>       enum:
>>         - rockchip,rk3566-vop
>>         - rockchip,rk3568-vop
>> +      - rockchip,rk3588-vop
>>   
>>     reg:
>>       items:
>> @@ -48,6 +49,8 @@ properties:
>>         - description: Pixel clock for video port 0.
>>         - description: Pixel clock for video port 1.
>>         - description: Pixel clock for video port 2.
>> +      - description: Pixel clock for video port 4.
>> +      - description: Peripheral clock for vop on rk3588.
>>   
>>     clock-names:
>>       items:
>> @@ -56,12 +59,29 @@ properties:
>>         - const: dclk_vp0
>>         - const: dclk_vp1
>>         - const: dclk_vp2
>> +      - const: dclk_vp3
>> +      - const: pclk_vop
> with the error Rob's bot reported, I guess both clocks and clock-names
> need a minItems element to mark these new clocks essentially as optional?

Yes, when add minItems for clocks and clkock-names, the erro gone.

Considering we also have vop2 based soc(rk3562) only have one video port,

so it is better to set the minItems as 3 here?

>
>>     rockchip,grf:
>>       $ref: /schemas/types.yaml#/definitions/phandle
>>       description:
>>         Phandle to GRF regs used for misc control
>>   
>> +  rockchip,vo-grf:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description:
>> +      Phandle to VO GRF regs used for misc control, required for rk3588
>> +
>> +  rockchip,vop-grf:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description:
>> +      Phandle to VOP GRF regs used for misc control, required for rk3588
>> +
>> +  rockchip,pmu:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description:
>> +      Phandle to PMU regs used for misc control, required for rk3588
>> +
>>     ports:
>>       $ref: /schemas/graph.yaml#/properties/ports
>>   
>> @@ -81,6 +101,11 @@ properties:
>>           description:
>>             Output endpoint of VP2
>>   
>> +      port@3:
>> +        $ref: /schemas/graph.yaml#/properties/port
>> +        description:
>> +          Output endpoint of VP3
>> +
>>     iommus:
>>       maxItems: 1
>>   
>>
>
>
>